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Printing: Try to duplex print with manual dialog
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lorenz.stechauner
2026-08-11 18:09:51 +02:00
parent 470c6e09e5
commit 07b197958d
1 changed files with 7 additions and 5 deletions
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Elwig/Helpers/Printing/Win32Printer.cs
+3 -1
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@@ -163,15 +163,17 @@ namespace Elwig.Helpers.Printing {
public bool TrySetDuplex(Duplexing duplex) { public bool TrySetDuplex(Duplexing duplex) {
var devMode = Marshal.PtrToStructure<DEVMODE>(_devMode); var devMode = Marshal.PtrToStructure<DEVMODE>(_devMode);
if ((devMode.dmFields & DM_DUPLEX) != 0) {
switch (duplex) { switch (duplex) {
case Duplexing.OneSided: devMode.dmDuplex = DMDUP_SIMPLEX; break; case Duplexing.OneSided: devMode.dmDuplex = DMDUP_SIMPLEX; break;
case Duplexing.TwoSidedShortEdge: devMode.dmDuplex = DMDUP_HORIZONTAL; break; case Duplexing.TwoSidedShortEdge: devMode.dmDuplex = DMDUP_HORIZONTAL; break;
case Duplexing.TwoSidedLongEdge: devMode.dmDuplex = DMDUP_VERTICAL; break; case Duplexing.TwoSidedLongEdge: devMode.dmDuplex = DMDUP_VERTICAL; break;
} }
if ((devMode.dmFields & DM_DUPLEX) != 0) {
Marshal.StructureToPtr(devMode, _devMode, false); Marshal.StructureToPtr(devMode, _devMode, false);
return true; return true;
} else { } else {
devMode.dmFields |= DM_DUPLEX;
Marshal.StructureToPtr(devMode, _devMode, false);
return false; return false;
} }
} }