进入页面后，我使用刷新方法重绘控件。如果我查看任务管理器，我可以看到最初是 40.000K 内存，进入另一个页面后它将是 50.000，依此类推，但在达到 100-130 或更多之后，在某些页面之后它又会是 100。
我只创建了第一次 100 个控件，您可以在其中看到图片。如果我尝试转到下一页，它将只更新游戏名称、图片等值。我正在使用 onPaint 事件来绘制控件，而 IDisposable 控件则使用 using()..页码是标签。所有游戏控件都是在 floatLayout.Game 控件中，图片所在的位置。我不调用手动绘制事件，我只是调用刷新或无效方法。在第二个代码中，有时我会得到 nullReference 异常，用于 e.graphics。e.graphics 有时为空.....我不知道为什么会这样。
我不知道什么时候，但过了一段时间，每次都不一样。我不知道如何手动使程序崩溃，这种情况突然发生
这是我的两个代码：
我的游戏控制油漆：
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
if (this.ClientRectangle.Width > 0 && this.ClientRectangle.Height > 0)
using (LinearGradientBrush brush = new LinearGradientBrush(this.ClientRectangle,
Color.LightGray,
Color.Silver,
80F))
{
e.Graphics.FillRectangle(brush, this.ClientRectangle);
}
e.Graphics.DrawRectangle(componentBorderColor, 0, 0, this.Width - 1, this.Height - 1);
if (AllGameInfoModel == null)
{
e.Graphics.DrawString("Kraunama" + loadingText, Namefont, NameBrush, 26, ControlHelpers.MeasureString("Kraunama", Namefont).Height / 2);
}
if (AllGameInfoModel != null)
{
NameTextSize = e.Graphics.MeasureString(AllGameInfoModel.Name, Namefont);
e.Graphics.DrawString(AllGameInfoModel.Name, Namefont, NameBrush, 26, ControlHelpers.MeasureString(AllGameInfoModel.Name, Namefont).Height / 3);
e.Graphics.DrawRectangle(componentBorderColor, 0, 0, this.Width - 1, 24);
if (showControl == false)
{
}
else
{
if (makeBigerControl == false)
coverLocationHeight = Height - 35;
if (Cover != null)
{
e.Graphics.DrawImage(Cover, new Rectangle(4, 30, coverLocationWidth, coverLocationHeight));
}
else
{
//Jei nėra paveikslėlio
e.Graphics.DrawImage(CoverNoImage, new Rectangle(4, 30, coverLocationWidth, coverLocationHeight));
}
int LocationX = coverLocationWidth + 6;
int LocationY = 30;
if (AllGameInfoModel.ReleaseDate != null)//Išleidimo data
{
SizeF yearSize = ControlHelpers.drawString(e, "Metai:", LocationX, LocationY, null, new Font(ControlFont.FontFamily, ControlFont.Size, FontStyle.Bold));
ControlHelpers.drawString(e, AllGameInfoModel.ReleaseDate.Value.Year.ToString(), yearSize.Width + LocationX, LocationY, null, ControlFont);
LocationY = LocationY + (int)yearSize.Height;
SizeF releaseDateSize = ControlHelpers.drawString(e, "Išleidimo data:", LocationX, LocationY, null, new Font(ControlFont.FontFamily, ControlFont.Size, FontStyle.Bold));
ControlHelpers.drawString(e, AllGameInfoModel.ReleaseDate.Value.ToShortDateString(), releaseDateSize.Width + LocationX, LocationY, null, ControlFont);
LocationY = LocationY + (int)releaseDateSize.Height;
}
if (!string.IsNullOrEmpty(AllGameInfoModel.Genre)) //Žanras
{
SizeF genreSize = ControlHelpers.drawString(e, "Žanras:", LocationX, LocationY, null, new Font(ControlFont.FontFamily, ControlFont.Size, FontStyle.Bold));
ControlHelpers.drawString(e, getGenreInLt(AllGameInfoModel.Genre), genreSize.Width + LocationX, LocationY, null, ControlFont);
LocationY = LocationY + (int)genreSize.Height;
}
if (!string.IsNullOrEmpty(AllGameInfoModel.DevelopersPublishers) && string.IsNullOrEmpty(AllGameInfoModel.Developers) && string.IsNullOrEmpty(AllGameInfoModel.Publishers))//Leidėjai, kūrėjai
{
SizeF genreSize = ControlHelpers.drawString(e, "Kūrėjai / Leidėjai:", LocationX, LocationY, null, new Font(ControlFont.FontFamily, ControlFont.Size, FontStyle.Bold));
ControlHelpers.drawString(e, AllGameInfoModel.DevelopersPublishers, genreSize.Width + LocationX, LocationY, null, ControlFont);
LocationY = LocationY + (int)genreSize.Height;
}
if (!string.IsNullOrEmpty(AllGameInfoModel.Developers)) //Kūrėjai
{
SizeF genreSize = ControlHelpers.drawString(e, "Kūrėjai:", LocationX, LocationY, null, new Font(ControlFont.FontFamily, ControlFont.Size, FontStyle.Bold));
ControlHelpers.drawString(e, AllGameInfoModel.Developers, genreSize.Width + LocationX, LocationY, null, ControlFont);
LocationY = LocationY + (int)genreSize.Height;
}
if (!string.IsNullOrEmpty(AllGameInfoModel.Publishers)) //Leidėjai
{
SizeF genreSize = ControlHelpers.drawString(e, "Leidėjai:", LocationX, LocationY, null, new Font(ControlFont.FontFamily, ControlFont.Size, FontStyle.Bold));
ControlHelpers.drawString(e, AllGameInfoModel.Publishers, genreSize.Width + LocationX, LocationY, null, ControlFont);
LocationY = LocationY + (int)genreSize.Height;
}
bool isPegi = false;
if ((AllGameInfoModel.AgeQualification != null) && (AllGameInfoModel.AgeQualification != 0)) //Amžiaus cenzas
{
using (Bitmap picture = new Bitmap(@"Images\pegi\" + AllGameInfoModel.AgeQualification + ".gif"))
e.Graphics.DrawImage(picture, new Rectangle(LocationX, LocationY, pegiImageHeightWidth, pegiImageHeightWidth));//40
using (Pen ageRectangleBrush = new Pen(Color.Black))
e.Graphics.DrawRectangle(ageRectangleBrush, new Rectangle(LocationX, LocationY, pegiImageHeightWidth, pegiImageHeightWidth));
isPegi = true;
}
/////Pegi Informacija//////
int cordsX = LocationX + pegiImageHeightWidth + 5;//45
foreach (string pegiPicture in PegiPictures)
{
var pegiCheck = AllGameInfoModel["Is" + pegiPicture];
if (pegiCheck != null)
if (string.Equals("true", pegiCheck.ToString(), StringComparison.OrdinalIgnoreCase))
{
using (Bitmap picture = new Bitmap(@"Images\Pegi\" + pegiPicture + ".gif"))
e.Graphics.DrawImage(picture, new Rectangle(cordsX, LocationY, pegiImageHeightWidth, pegiImageHeightWidth));
e.Graphics.DrawRectangle(componentBorderColor, new Rectangle(cordsX, LocationY, pegiImageHeightWidth, pegiImageHeightWidth));
cordsX = cordsX + pegiImageHeightWidth + 5;//45
isPegi = true;
}
}
if (isPegi)
{
LocationY = LocationY + pegiImageHeightWidth + 7;//47
}
if (!string.IsNullOrEmpty(AllGameInfoModel.Description)) //Aprašymas
{
descriptionFlag.Location = new Point(LocationX, LocationY + 3);
descriptionFlag.Visible = true;
ControlHelpers.drawString(e, "Angliškas:", LocationX + descriptionFlag.Width, LocationY + 3, null, new Font(ControlFont.FontFamily, ControlFont.Size, FontStyle.Underline | FontStyle.Bold));
LocationY = LocationY + 20;
Rectangle rect = new Rectangle();
rect.Location = new Point(LocationX, LocationY + 3);
rect.Width = this.Width - LocationX - 1;
if (MakeBigerControl)
{
rect.Height = 300;
}
else
{
rect.Height = 40;
}
//using (SolidBrush descriptionBrush = new SolidBrush(Color.Black))
e.Graphics.DrawString(Description, ControlFont, Brushes.Black, rect);
}
if (!string.IsNullOrEmpty(AllGameInfoModel.Platform)) //Platforma
{
if (!string.IsNullOrEmpty(PlatformPicture))
using (Bitmap picture = new Bitmap(@"Images\Platforms\" + PlatformPicture + ".png"))
//e.Graphics.DrawImage(picture,new Rectangle(this.Width/2 + picture.Width/2, this.Height/2 - picture.Height/2,picture.Width, picture.Height)); //40
e.Graphics.DrawImage(picture, new Rectangle(this.Width - picture.Width - 2, 27, picture.Width, picture.Height)); //40
}
//Draw End
}
}
}
我的星控油漆：
protected override void OnPaint(PaintEventArgs e)
{
//if (e.Graphics != null)
//{
base.OnPaint(e);
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
for (int i = 0; i < stars.Count; i++)
{
PointF[] pts = StarPoints(5, stars[i].starBounds);
//using (Pen pen = new Pen(Color.Black))
e.Graphics.DrawPolygon(controlColor, pts);
//using (SolidBrush solidBrush = new SolidBrush(stars[i].backColor))
e.Graphics.FillPolygon(stars[i].backColor, pts, FillMode.Winding); //FillMode.Winding
SizeF textSize = ControlHelpers.MeasureString((i + 1) + "", RateFont);
Rectangle textBounds = new Rectangle();
textBounds.Width = stars[i].starBounds.Width;
textBounds.Height = stars[i].starBounds.Height;
textBounds.Location = new Point(stars[i].starBounds.X + textBounds.Width/2 - (int) textSize.Width/2,
textBounds.Height/2 - (int) textSize.Height/2);
//using (SolidBrush solidBrush = new SolidBrush(Color.Black))
//using (Font font = new Font("Times New Roman", 6, FontStyle.Bold))
e.Graphics.DrawString((i + 1) + "", RateFont, Brushes.Black, textBounds);
}
}