C# Signature:

[DllImport("kernel32.dll", SetLastError=true)]
static extern void GetCurrentThreadStackLimits(out uint lowLimit, out uint highLimit);

VB Signature:

Declare Function GetCurrentThreadStackLimits Lib "kernel32.dll" (ByRef lowLimit As UInteger, ByRef highLimit As UInteger)

User-Defined Types:

None.

Alternative Managed API:

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Notes:

None.

Tips & Tricks:

Please add some!

Sample Code:

uint low;
uint high;
GetCurrentThreadStackLimits(out low, out high);
var size = (high - low) / 1024;