我要一下子把我所有的头发都拔掉。不用说,我很沮丧。我在 Delphi Prism 中为 .NET 编码,目前正在努力将我的应用程序的用户定义属性保存到应用程序配置文件中。我已将所有内容设置如下。它正在工作,但根本没有保存或检索某些值。因此,我查看了 app.config 文件,认为它们都会在那里,但我没有看到文件中保存的任何值与正在检索的值匹配。它只有我放入 Properties.Designer 的默认值。有人在网上说配置文件只会在您在 Delphi Prism IDE 之外运行应用程序时更新。我做到了,那仍然没有用。我什至重新启动了我的计算机,认为 Delphi Prism 可能是片状的,需要快速休息一下。即使这样也没有用。
那么,这些值保存在哪里——在 app.config 文件中还是在内存中?
(我的代码可能不连贯。在完善代码之前,我正在尝试让我的应用程序的基本设置正常工作。)
这是我的 Properties.Settings.Designer 的图像:
这是 app.config 文件:
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
<sectionGroup name="userSettings" type="System.Configuration.UserSettingsGroup, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >
<section name="MillenniaMono.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" allowExeDefinition="MachineToLocalUser" requirePermission="false" />
</sectionGroup>
</configSections>
<userSettings>
<MillenniaMono.Properties.Settings>
<setting name="baseDir" serializeAs="String">
<value>00:00:00</value>
</setting>
<setting name="SoftKey" serializeAs="String">
<value>$6e1eaffa</value>
</setting>
<setting name="OnTop" serializeAs="String">
<value>False</value>
</setting>
<setting name="StartExpanded" serializeAs="String">
<value>True</value>
</setting>
<setting name="HideOnStart" serializeAs="String">
<value>False</value>
</setting>
<setting name="DXCommLocation" serializeAs="String">
<value>50, 50</value>
</setting>
<setting name="InputBoxLocation" serializeAs="String">
<value>50, 50</value>
</setting>
<setting name="MainFormLocation" serializeAs="String">
<value>50, 50</value>
</setting>
<setting name="OutputUnitLocation" serializeAs="String">
<value>50, 50</value>
</setting>
<setting name="SysErrorDlgLocation" serializeAs="String">
<value>50, 50</value>
</setting>
<setting name="UnitDuplicateLocation" serializeAs="String">
<value>50, 50</value>
</setting>
<setting name="UnitsLocation" serializeAs="String">
<value>50, 50</value>
</setting>
<setting name="UnitSelectLocation" serializeAs="String">
<value>50, 50</value>
</setting>
<setting name="CommStatusLocation" serializeAs="String">
<value>50, 50</value>
</setting>
<setting name="UnitsWinSize" serializeAs="String">
<value>703, 300</value>
</setting>
<setting name="DXComm_TypeDX" serializeAs="String">
<value>0</value>
</setting>
<setting name="DXComm_Comport" serializeAs="String">
<value>0</value>
</setting>
<setting name="DXComm_Baud" serializeAs="String">
<value>1200</value>
</setting>
<setting name="DXComm_Parity" serializeAs="String">
<value>0</value>
</setting>
<setting name="DXComm_RetryInt" serializeAs="String">
<value>0</value>
</setting>
<setting name="DXComm_TimeOutDelay" serializeAs="String">
<value>0</value>
</setting>
<setting name="DXComm_ScanTime" serializeAs="String">
<value>0</value>
</setting>
<setting name="DXComm_Offline_Pct" serializeAs="String">
<value>0</value>
</setting>
<setting name="DXComm_Online_Pct" serializeAs="String">
<value>0</value>
</setting>
<setting name="DXComm_ControlCycleCount" serializeAs="String">
<value>0</value>
</setting>
<setting name="DXComm_LockTimeDelay" serializeAs="String">
<value>0</value>
</setting>
</MillenniaMono.Properties.Settings>
</userSettings>
</configuration>
以下是写入 app.config 的代码:
if ReadWrite then
begin
RetryIni := Int32(RetrySpin.value);
OfflinePct := int32(OfflineSpin.value);
ScanTime := int32(ScanSpin.value);
OnlinePct := int32(OnlineSpin.value);
timeoutDelay := int32(TimeoutSpin.Value);
ControlCycleCount := int32(ControlSpin.value);
LockTimeDelay := Int32(LockTime.value);
with commsetting := Millenniamono.Properties.Settings.Default do
begin
commsetting.DXComm_TypeDX := TypeDXCard.SelectedIndex;
commsetting.DXComm_Comport := Commport.SelectedIndex;
commsetting.DXComm_Baud:=BaudRate.SelectedIndex;
commsetting.DXComm_Parity := int32(EvenParity.Checked = true);
commsetting.DXComm_RetryInt:=RetryIni;
commsetting.DXComm_TimeOutDelay:=timeOutDelay;
commsetting.DXComm_ScanTime:=ScanTime;
commsetting.DXComm_Offline_Pct:=OfflinePct;
commsetting.DXComm_Online_Pct:=onlinepct;
commsetting.DXComm_ControlCycleCount:=ControlCycleCount;
commsetting.DXComm_LockTimeDelay:=LockTimeDelay;
commsetting.Save;
end;
end;
以下是代码阅读:
TypeDXCard.SelectedIndex:= commsetting.DXComm_TypeDX;
Commport.SelectedIndex:=CommSetting.DXComm_Comport;
case commsetting.DXComm_Baud of
1200: BaudRate.SelectedIndex:=0;
2400: BaudRate.SelectedIndex:=1;
4800: Baudrate.SelectedIndex:=2;
9600: BaudRate.SelectedIndex:=3;
19200: BaudRate.SelectedIndex:=4;
38400: BaudRate.SelectedIndex:=5;
57600: BaudRate.SelectedIndex:=6;
115200: BaudRate.SelectedIndex:=7;
else BaudRate.SelectedIndex:=0;
end;
case commsetting.DXComm_Parity of
0: begin EvenParity.Checked:=true; NoneParity.Checked:=false; end;
1: begin NoneParity.Checked:=true; EvenParity.Checked:=false; end;
else begin EvenParity.Checked:=true; NoneParity.Checked:=false; end;
end;
RetrySpin.Value:=Commsetting.DXComm_RetryInt;
RetryIni := RetrySpin.Value;
TimeOutSpin.Value:=CommSetting.DXComm_TimeOutDelay;
TimeOutDelay := TimeOutSpin.Value;
ScanSpin.Value:=CommSetting.DXComm_ScanTime;
ScanTime := ScanSpin.Value;
OfflineSpin.Value:=CommSetting.DXComm_Offline_Pct;
OfflinePct:=OfflineSpin.Value;
OnlineSpin.Value:=Commsetting.DXComm_Online_Pct;
OnlinePct:=OnlineSpin.Value;
Controlspin.Value:=Commsetting.DXComm_ControlCycleCount;
ControlCycleCount:=Controlspin.Value;
LockTime.Value:=Commsetting.DXComm_LockTimeDelay;
LockTimeDelay := LockTime.Value;
end;
这是显示或检索的实际值。我任意设置了一些要保存和读回的值,但它与我在 app.config 文件中看到的不匹配。