[Code]
//安装前判断是否有进程正在运行，istask.dll文件与打包的exe文件一起
function RunTask(FileName: string; bFullpath: Boolean): Boolean;
external 'RunTask@files:ISTask.dll stdcall delayload';
function KillTask(ExeFileName: string): Integer;
external 'KillTask@files:ISTask.dll stdcall delayload';
function InitializeSetup(): Boolean;
begin
Result:= true;
if RunTask('{#MyAppExeName}', false) then
begin
if MsgBox('安装程序检测到 {#MyAppName} 正在运行！'#13''#13'单击“是”按钮关闭程序并继续安装；'#13''#13'单击“否”按钮退出安装！', mbConfirmation, MB_YESNO) = IDYES then
begin
KillTask('{#MyAppExeName}');
Result:= true;
end
else
Result:= false;
end
else Result:= true;
end;
// 卸载前判断进程是否在运行
function RunTaskU(FileName: string; bFullpath: Boolean): Boolean;
external 'RunTask@{app}/ISTask.dll stdcall delayload uninstallonly';
function KillTaskU(ExeFileName: string): Integer;
external 'KillTask@{app}/ISTask.dll stdcall delayload uninstallonly';
function InitializeUninstall(): Boolean;
begin
Result:= true;
if RunTaskU('{#MyAppExeName}', false) then
begin
if MsgBox('卸载程序检测到 {#MyAppName} 正在运行！'#13''#13'单击“是”按钮关闭程序并继续卸载；'#13''#13'单击“否”按钮退出卸载！', mbConfirmation, MB_YESNO) = IDYES then
begin
KillTaskU('{#MyAppExeName}');
Result:= true;
end
else
Result:= false;
end
else
Result:= true;
UnloadDll(ExpandConstant('{app}/ISTask.dll'));
end;转：https://blog.csdn.net/dsp_daiyujie/article/details/11945871
