ImageEn, unit imageenio

TImageEnIO.SelectAcquireSource

TImageEnIO.SelectAcquireSource


Declaration

function SelectAcquireSource(Apis: TIEAcquireApis = [ieaTwain, ieaWIA]; DeviceGlyphHue : Integer = -999) : boolean;


Description

Prompts the user with a dialog to select a Twain, WIA or DCIM device. Use Apis to specify which sources are available to the user.



Any combination of the following can be used:
Value Description
ieaTwain Acquire from Twain device
ieaWIA Acquire using WIA (scanners or camera)
ieaDCIM Read from a connected phone, camera or device (containing a DCIM folder) using the WPD API

Note: If your location is only [ieTwain] or [ieWIA] then the default Twain/WIA selector is shown. Otherwise a custom device selector is used (Use MsgLanguage to control the language in the custom dialog).

DeviceGlyphHue specifies the color of the graphics (Camera, Scanner, etc.) in the device selector:
Value Description
0 ImageEn blue color (#1E88E5)
-180 to +180 Blue color is modified by the specified hue
-998 Gray
-999 Dark gray
-900 No graphics/text only

Returns False if user press "Cancel" button.


Demo

Demo  Demos\ImageAcquisition\AllAcquire\AllAcquire.dpr


Example

if ImageEnView1.IO.SelectAcquireSource([ieaTwain, ieaWIA]) then
begin
  ImageEnView1.IO.Acquire;
  ImageEnView1.IO.SaveToFile('D:\MyImage.jpg');
end;