TIEOriginLock
Declaration
TIEOriginLock = (ieolNever, ieolAutoInactive, ieolAutoActive, ieolAlways);Description
| Value | Description |
|---|---|
| ieolNever | The magnification source is always the centered beneath the layer |
| ieolAutoInactive | The magnification source is the centered beneath the layer, but holding down the ALT key will lock it at the current position (auto change it to ieolAutoActive) |
| ieolAutoActive | The magnification source is locked at OriginX/Y, but moving the layer will reset the source position (auto change it to ieolAutoInactive) |
| ieolAlways | The magnification source is locked at OriginX/Y. Moving the layer will not change the source position |
Demo
 | Demos\Display\Magnify2\Magnify2.dpr |
Examples
// Show magnifying layer for area centered at 200,200TIEImageLayer( ImageEnView1.CurrentLayers ).Magnify.OriginX := 200;
TIEImageLayer( ImageEnView1.CurrentLayers ).Magnify.OriginY := 200;
TIEImageLayer( ImageEnView1.CurrentLayers ).Magnify.OriginLock := ieolAlways;
ImageEnView1.Update();
// Show magnifying layer for area centered at 200,200, but reset the position if the user moves the layer
TIEImageLayer( ImageEnView1.CurrentLayers ).Magnify.OriginX := 200;
TIEImageLayer( ImageEnView1.CurrentLayers ).Magnify.OriginY := 200;
TIEImageLayer( ImageEnView1.CurrentLayers ).Magnify.OriginLock := ieolAutoActive;
ImageEnView1.Update();
// Do not allow the ALT key to lock the origin
TIEImageLayer( ImageEnView1.CurrentLayers ).Magnify.OriginLock := ieolNever;
ImageEnView1.Update();
// Source position is not locked, but user can hold ALT key to lock it (Default)
TIEImageLayer( ImageEnView1.CurrentLayers ).Magnify.OriginLock := ieolNever;
ImageEnView1.Update();