a0e3f337c0
It determines: - whether the program has a console - whether that console has a window - whether that window is on the current window station It's motivated by the IntelliJ clipboard/winpty bug.
52 lines
1.9 KiB
PowerShell
Executable File
52 lines
1.9 KiB
PowerShell
Executable File
#
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# Usage: powershell <path>\IdentifyConsoleWindow.ps1
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#
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# This script determines whether the process has a console attached, whether
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# that console has a non-NULL window (e.g. HWND), and whether the window is on
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# the current window station.
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#
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$signature = @'
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[DllImport("kernel32.dll", SetLastError=true)]
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public static extern IntPtr GetConsoleWindow();
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[DllImport("kernel32.dll", CharSet=CharSet.Auto, SetLastError=true)]
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public static extern bool SetConsoleTitle(String title);
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[DllImport("user32.dll", CharSet=CharSet.Auto, SetLastError=true)]
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public static extern int GetWindowText(IntPtr hWnd,
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System.Text.StringBuilder lpString,
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int nMaxCount);
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'@
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$WinAPI = Add-Type -MemberDefinition $signature `
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-Name WinAPI -Namespace IdentifyConsoleWindow -PassThru
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if (!$WinAPI::SetConsoleTitle("ConsoleWindowScript")) {
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echo "error: could not change console title -- is a console attached?"
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exit 1
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} else {
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echo "note: successfully set console title to ""ConsoleWindowScript""."
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}
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$hwnd = $WinAPI::GetConsoleWindow()
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if ($hwnd -eq 0) {
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echo "note: GetConsoleWindow returned NULL."
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} else {
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echo "note: GetConsoleWindow returned 0x$($hwnd.ToString("X"))."
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$sb = New-Object System.Text.StringBuilder -ArgumentList 4096
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if ($WinAPI::GetWindowText($hwnd, $sb, $sb.Capacity)) {
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$title = $sb.ToString()
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echo "note: GetWindowText returned ""${title}""."
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if ($title -eq "ConsoleWindowScript") {
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echo "success!"
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} else {
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echo "error: expected to see ""ConsoleWindowScript""."
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echo " (Perhaps the console window is on a different window station?)"
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}
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} else {
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echo "error: GetWindowText could not read the window title."
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echo " (Perhaps the console window is on a different window station?)"
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}
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}
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