Question

如何让Delphi调用外部程序并等待其运行结束

Answer 1

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uses
Windows,
SysUtils,
Classes,
ShellAPI;
function RunAndWait(FileName: string; Visibility: Integer): THandle;
var
zAppName: array[0..512] of Char;
zCurDir: array[0..255] of Char;
WorkDir: string;
StartupInfo: TStartupInfo;
ProcessInfo: TProcessInformation;
begin
try
StrPCopy(zAppName, FileName);
GetDir(0, WorkDir);
StrPCopy(zCurDir, WorkDir);
FillChar(StartupInfo, SizeOf(StartupInfo), #0);
StartupInfo.cb := SizeOf(StartupInfo);
StartupInfo.dwFlags := STARTF_USESHOWWINDOW;
StartupInfo.wShowWindow := Visibility;
if not CreateProcess(nil, zAppName, nil, nil, false, Create_NEW_CONSOLE or NORMAL_PRIORITY_CLASS, nil, nil, StartupInfo, ProcessInfo) then
begin
result := 0;
Exit;
end
else
begin
WaitForSingleObject(ProcessInfo.hProcess, INFINITE);
GetExitCodeProcess(ProcessInfo.hProcess, result);
end;
finally
end;
end;