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TwainControllerGetCapabilityValue Method (DeviceCapability, Boolean)

Reads a Boolean capability value.

Namespace:  Atalasoft.Twain
Assembly:  Atalasoft.DotTwain (in Atalasoft.DotTwain.dll) Version: 11.4.0.9.0.377 (.NET 4.5.2, x86)
Syntax
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public TwainReturnCode GetCapabilityValue(
	DeviceCapability capability,
	out bool value
)

Parameters

capability
Type: Atalasoft.TwainDeviceCapability
The capability to retrieve.
value
Type: SystemBoolean
A Boolean that will be filled when the method returns.

Return Value

Type: TwainReturnCode
The code returned from the device. If this returns TWRC_FAILURE use GetConditionCode to determine why the request failed.
Exceptions
ExceptionCondition
Thrown if a connection to the device is not open.
Examples
GetCapabilityValue Method
Examples
GetCapabilityValueCS (C#)
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bool online = false;
TwainReturnCode ret = twain.GetCapabilityValue(DeviceCapability.CAP_DEVICEONLINE, out online);

int pixelType = 0;
ret = twain.GetCapabilityValue(DeviceCapability.ICAP_PIXELTYPE, out pixelType);

RectangleF frame = RectangleF.Empty;
ret = twain.GetCapabilityValue(DeviceCapability.ICAP_FRAMES, out frame);

float resX = 0;
ret = twain.GetCapabilityValue(DeviceCapability.ICAP_XRESOLUTION, out resX);

string halftone = "";
ret = twain.GetCapabilityValue(DeviceCapability.ICAP_HALFTONES, out halftone);
GetCapabilityValueVB (Visual Basic)
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Dim online As Boolean =  False 
Dim ret As TwainReturnCode = twain.GetCapabilityValue(DeviceCapability.CAP_DEVICEONLINE, ByRef online) 

Dim pixelType As Integer = 0 
ret = twain.GetCapabilityValue(DeviceCapability.ICAP_PIXELTYPE, ByRef pixelType)

Dim frame As RectangleF = RectangleF.Empty 
ret = twain.GetCapabilityValue(DeviceCapability.ICAP_FRAMES, ByRef frame)

Dim resX As Single = 0 
ret = twain.GetCapabilityValue(DeviceCapability.ICAP_XRESOLUTION, ByRef resX)

Dim halftone As String = "" 
ret = twain.GetCapabilityValue(DeviceCapability.ICAP_HALFTONES, ByRef halftone)
See Also